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https://github.com/Chatterino/chatterino2.git
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55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#ifndef RESIZINGTEXTEDIT_H
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#define RESIZINGTEXTEDIT_H
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#include <QKeyEvent>
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#include <QTextEdit>
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#include <boost/signals2.hpp>
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class ResizingTextEdit : public QTextEdit
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{
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public:
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ResizingTextEdit()
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: keyPressed()
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{
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auto sizePolicy = this->sizePolicy();
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sizePolicy.setHeightForWidth(true);
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sizePolicy.setVerticalPolicy(QSizePolicy::Preferred);
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this->setSizePolicy(sizePolicy);
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QObject::connect(this, &QTextEdit::textChanged, this, &QWidget::updateGeometry);
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}
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QSize sizeHint() const override
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{
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return QSize(this->width(), this->heightForWidth(this->width()));
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}
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bool hasHeightForWidth() const override
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{
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return true;
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}
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boost::signals2::signal<void(QKeyEvent *)> keyPressed;
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protected:
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int heightForWidth(int) const override
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{
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auto margins = this->contentsMargins();
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return margins.top() + document()->size().height() + margins.bottom() + 5;
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}
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void keyPressEvent(QKeyEvent *event)
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{
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event->ignore();
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keyPressed(event);
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if (!event->isAccepted()) {
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QTextEdit::keyPressEvent(event);
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}
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}
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};
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#endif // RESIZINGTEXTEDIT_H
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